cheirognomy
/ˌtʃaɪrəʊˈɡnɒmi/Definitions
1. noun
The study of the characteristics of an individual’s scent, as a means of identification or analysis.
“Cheirognomy was used by detectives in the past to identify suspects.”
2. noun
The act of identifying a person by their scent, especially in a forensic or investigative context.
“The police used cheirognomy to track down the perpetrator.”